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Science glossary film: Omega-3

Omega-3

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A type of unsaturated fatty acid, essential for human health.

A type of unsaturated fatty acid, essential for human health. The body cannot make omega-3 fatty acids, and so they must be present in the diet. There are many natural sources of omega-3 fatty acids, including oily fish such as mackerel, salmon and tuna, and many nuts and seeds.

The body cannot make omega-3 fatty acids, and so they must be present in the diet. There are many natural sources of omega-3 fatty acids, including oily fish such as mackerel, salmon and tuna, and many nuts and seeds.

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